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salt-excreting |
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exudation |
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Accumulating salt and discharging it directly to the exterior in a concentrated aqueous solution, the salt then crystallizing on the exterior following evaporation of the fluid medium; when salt-excreting glands are indicated in the nominative, usually they are called simply salt glands. |
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enzymatic |
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exudation |
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Secreting a digestive exoenzyme; in carnivorous plants. |
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nectariferous |
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exudation |
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Producing and secreting nectar; when glands are nectariferous, they are usually indicated nominatively as nectaries. |
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oil-secreting |
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exudation |
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Producing and exuding an oily substance, often aromatic; when oil-secreting glands are indicated in the nominative, often they are called simply oil glands. |
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glandular 2 |
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exudation |
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Anatomically distinct and producing and exuding a particular substance. |
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laticiferous |
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exudation |
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Producing and exuding latex. |
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leaf scar |
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FEATURE |
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A scar on a twig or stem due to abscission of a megaphyll; having an outline like that of a transverse section through the base of the petiole, sheath, or blade that was inserted there. |
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chamber (not recommended) |
= cell (not recommended), locule |
FEATURE |
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Any structurally distinct compartment within an anther, ovary, fruit or other organ; not necessarily having any evolutionary integrity. |
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laesura pl. laesurae |
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FEATURE |
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An elongate aperture in the proximal face of a spore at or near its pole, coterminous with a tetrad scar; in Psilotophyta, Lycopodiophyta, Equisetophyta, Polypodiophyta. Depending upon tetrad configuration and resultant scar pattern, a laesura may be either unbranched or branched, the branches when present (usually 3) radiating from the pole and of approximately equal lengths. |
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stipule scar |
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FEATURE |
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A scar on a stem or petiole due to abscission of a stipule; having an outline like that of a transverse section through the base of the stipule inserted there; variously disposed, usually in pairs, adjacent to a point of leaf insertion, sometimes confluent with the leaf scar, sometimes confluent with stipule scars associated with an opposite leaf, the two sets of scars then more or less encircling the axis. |
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equatorial ridge |
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FEATURE |
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A circumferential ring about a megaspore in the plane of its equator, raised above the remainder of the wall surface; in some heterosporous taxa of Polypodiophyta. |
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channel |
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FEATURE |
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A longitudinal, transversely rounded depression; esp. along the adaxial surface of a petiole or petiolule. |
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dot |
= punctum |
FEATURE |
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A small, generally round sector of distinct coloration or relief. |
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locule |
= cell (not recommended), chamber (not recommended) |
FEATURE |
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Any structurally distinct compartment within an anther, ovary, fruit, sporangium or other organ; not necessarily having any evolutionary integrity. |
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pit |
= fovea, scrobis |
FEATURE |
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A small, rounded depression. |
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colpus pl. colpi |
= fossula, furrow, groove, sulcus, vallecula |
FEATURE |
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An elongate depression that is relatively shallow and narrow. |
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stoma 2 (strict sense) pl. stomata |
= stomatal pore |
FEATURE |
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The aperture between and regulated by the two guard cells of a stomate (stomatal apparatus). |
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surface |
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FEATURE |
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The exterior or bounding area or layer of any structure, regarded as being infinitely thin; usually described as to relief, reflectance, and/or vesture. |
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notch |
= emargination |
FEATURE |
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A relatively small, acute sinus at the distal end of a laminar structure. |
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scar |
|
FEATURE |
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A discontinuity in surface color and/or relief due to abscission of a structure formerly borne there. |
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tetrad scar |
|
FEATURE |
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A surficial ridge or angle resulting from coherence with other spores produced from the same mother cell. |
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blister |
= bulla, pustule |
FEATURE |
|
A relatively coarse, rounded protrusion or convexity. See also papilla. |
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stomatal pore 1 |
= stoma (strict sense) |
FEATURE |
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The opening between and regulated by the two guard cells of a stomate (stomatal apparatus). |
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punctum pl. puncta |
= dot |
FEATURE |
|
A small, generally round sector of distinct coloration or relief. |
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stomatal pore 2 |
= stomium |
FEATURE |
|
The opening in the wall of a sporangium, between the lip cells, through which the spores exit; in Psilotophyta, Lycopodiophyta, Equisetophyta, Polypodiophyta. |
